braintools.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:37:99:81:78:2c:86:98:2f:3c:ed:a5:a6:06:b0:32:a5:e8 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=braintools.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:37:99:81:78:2c:86:98:2f:3c:ed:a5:a6:06:b0:32:a5:e8
Serial Number (int): 280256432102999045111619541836226064721384
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 99:53:60:6c:72:aa:bb:1c:55:62:d0:fd:8a:e7:cc:f5:98:f6:ea:a6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bd:8d:63:d7:e0:fa:ad:ca:8b:ea:6b:fd:11:9c:31:82:6e:fe:e2:8c
Fingerprint (sha256): 34:61:55:3d:36:dd:75:e3:07:0f:e4:45:6f:8d:1b:59:15:21:df:55:37:09:fa:48:03:2d:03:45:26:7b:7e:b0

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate braintools.com.br

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for braintools.com.br

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

braintools.com.br
tutor.braintools.com.br
www.braintools.com.br

Other certificates including the domain name braintools.com.br

(limited to 100 certificates)
literarymap.app
ngohem.com
braintools.com.br
sistema.braintools.com.br
braintools.com.br
braintools.com.br
web.funfinance.app
web.braintools.com.br
braintools.com.br
www.protium.it
braintools.com.br
sistema.braintools.com.br
applink.headout.com
sistema.braintools.com.br
www.jub-mueller.de
braintools.com.br
braintools.com.br
web.braintools.com.br
braintools.com.br
literarymap.app
sistema.braintools.com.br
lostpass.zakiarsyad.com
braintools.com.br
braintools.com.br
braintools.com.br
auth.playing.plus

Certificate

The complete raw certificate details for braintools.com.br in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0o8V4xrsVN4MVAOSk21N
5HXhJtBl9ku7WFlido4JTZmsnGSg+VrQZlM4hr4M/YkszPHmRWQBP6PprrqUnU7a
1Z2Uks1GxxcInlk58pexXEkDeU/66rtaLvkfzxehFZ4OFIp3va7DkoQOQNbBWd9I
IijrMdJHP6ZszpNEQHqJB3kOS+gY4XcCHfMXrdbCL/t8yfezkhKI3nLm1mgi1UYa
osqTNrPkOPVq70cc49/Ba9n0bvmRlaluJCy9qOyvwIOUtiqZ1ucJO6Cbv9fD8phO
KLw7t5KpJnbNzpoE5idsCqUo+R0IKDlFiWbjBx5dQBqILa7hBDKzyEVLHTouj4NJ
kQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 280256432102999045111619541836226064721384
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-12 01:19:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-11 01:19:51 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'braintools.com.br'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26580602130981660172162892922877961382852067628781137619919819031000250843882475702847311164457457041172658935764020491120972280773470084872760292400339237908607657223665392763041014603391213489488053061502430062053415707325677594036376887225786488645538008155547409444776717904856216487706350558522088522052538272603298176116180177155919507478717063687009903216886997003544346113306077346031397382064131872464382933385657666769176495449045848200107864780122549034397992265705745783763628096464213749966764645474912092381862658420035214215561477345567438564078130161890531540690930101987843207026933582015935964989841
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							9953606c72aabb1c5562d0fd8ae7ccf598f6eaa6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'braintools.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tutor.braintools.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.braintools.com.br'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001716c2f9d4b00000403004730450220676e80ee529ffa5f4fc3111a3862af5e64296450446d1b4e209ddc6b4c06a8b0022100d0535a22c0da2c8fd6518026be3e10985edebb0dc61beb64763d22dc8c88815600760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001716c2f9d6700000403004730450220008b6d2c3b9ae9af8d46f62547182d391ac236d555a3b9124875c12caa5b892d022100cee3ce373cca5f1e974ac6f6b4fa2efee016d77bfe3e0e2b7ef708a1574a4499
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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